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Intel officially released the top 6+ series data centre processor codenamed “Clarwater Forest” on 1 June.

This is the first data centre based on the Intel 18A process. CPUSM3 and SM4 server processors are also formally supported at the hardware level in the Intel capital.

As shown in the figure, the Clearwater Forest platform has added SHA512, SM3 and SM4 commands to support a significant increase in encryption load processing efficiency based on SMx national security standards.

Intel officially published internal test data show that the maximum strength of 6990E+'s average performance on SM3 and SM4 encryption algorithms is 15.2 times that of the previous generation of Xeon 6780E; in SHA-512 this is 5.2 times that.

Compared to AMD EPYC 9965, up to the strength of 6990E+ has an average performance of about 6.2 times that of SMx and 2.6 times that of SHA.

IT House noted that the series processor also supported the Intel Software Protection Extension (SGX) and the Intel Trust Area Extension (TDX). Furthermore, Clearwater Forest supports the AVX-2 command set with VNNI and INT8 functions.

To the strength of 6+ locate large-scale horizontal expansion scenarios, such as clouds and core networks of 5G, using an energy-efficient nuclear architecture. Flagship type 6990E+ carries a new generation of Darkmont energy efficiency core, providing 288 core, 576 threads, equipped with 576 MB L3 and 288MB L2 caches, supporting 12 channel DDR5-8000 memory and 96 PCIe 5.0 channels, and providing 330 W and 450 W TDP versions.

The series consists of four models, with core numbers ranging from 144 to 288, in descending order to the strength of 6960E+, 6970E+, 6980E+ and 6990E+, which are fully compatible with the deployment of single and two-way servers.

Clearwater Forest uses an extremely complex core wrapping programme: 12 computing chips based on the Intel 18A process, 3 basic chips based on the Intel 3 process and 2 I/O chips based on the Intel 7 process, interconnected with EMIB containment technology through Foveros Direct 3D.

At the overall performance level, Intel claims that the strong 6990E+ energy efficiency ratio at 40 per cent CPU utilization is about 30 per cent higher than AMD EPYC 9965, with an advantage of about 30 per cent for each linear performance and energy efficiency at a given task load.

Compared to the last generation 144 nuclear maximum 6780E, 6990E+ average performance increased by about 2.26 times and energy efficiency by about 1.55 times. On the plane-level energy efficiency level, a single-spaced Xeon 6990E+ compares the two-way platform with the same Xeon 6780E as the 288 nuclear, the operational time frame can be reduced by 38 per cent, more than 60 per cent per watt and 30 per cent overall performance.

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